JP2001503339A - Preforms and closures for blow molded products - Google Patents

Preforms and closures for blow molded products

Info

Publication number
JP2001503339A
JP2001503339A JP52524097A JP52524097A JP2001503339A JP 2001503339 A JP2001503339 A JP 2001503339A JP 52524097 A JP52524097 A JP 52524097A JP 52524097 A JP52524097 A JP 52524097A JP 2001503339 A JP2001503339 A JP 2001503339A
Authority
JP
Japan
Prior art keywords
preform
closure
forming
engaging
flange
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP52524097A
Other languages
Japanese (ja)
Inventor
バリイ,エメリー,アイ
Original Assignee
ジ・エリザベス・アンド・サンダー・バリイ・ファウンデイション・インコーポレイテッド
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ジ・エリザベス・アンド・サンダー・バリイ・ファウンデイション・インコーポレイテッド filed Critical ジ・エリザベス・アンド・サンダー・バリイ・ファウンデイション・インコーポレイテッド
Publication of JP2001503339A publication Critical patent/JP2001503339A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00Making preforms
    • B29B11/04Making preforms by assembling preformed material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00Making preforms
    • B29B11/06Making preforms by moulding the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02Combined blow-moulding and manufacture of the preform or the parison
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/071Preforms or parisons characterised by their configuration, e.g. geometry, dimensions or physical properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/20Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/50General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/50General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/542Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining hollow covers or hollow bottoms to open ends of container bodies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/50General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/549Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles said hollow-preforms being interconnected during their moulding process, e.g. by a hinge
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/02Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0223Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
    • B65D1/023Neck construction
    • B65D1/0246Closure retaining means, e.g. beads, screw-threads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D23/00Details of bottles or jars not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D41/00Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04Threaded or like caps or cap-like covers secured by rotation
    • B65D41/08Threaded or like caps or cap-like covers secured by rotation engaging a threaded ring clamped on the external periphery of the neck or wall
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/20Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
    • B29C2049/2017Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements outside the article
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/20Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
    • B29C2049/2021Inserts characterised by the material or type
    • B29C2049/2026Neck portions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/20Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
    • B29C2049/2021Inserts characterised by the material or type
    • B29C2049/2043Inserts characterised by the material or type comprising threads, e.g. screws or nuts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/0715Preforms or parisons characterised by their configuration the preform having one end closed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/072Preforms or parisons characterised by their configuration having variable wall thickness
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/072Preforms or parisons characterised by their configuration having variable wall thickness
    • B29C2949/0722Preforms or parisons characterised by their configuration having variable wall thickness at neck portion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/073Preforms or parisons characterised by their configuration having variable diameter
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/073Preforms or parisons characterised by their configuration having variable diameter
    • B29C2949/0731Preforms or parisons characterised by their configuration having variable diameter at neck portion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/076Preforms or parisons characterised by their configuration characterised by the shape
    • B29C2949/0768Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
    • B29C2949/0769Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the lip, i.e. very top of preform neck
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/076Preforms or parisons characterised by their configuration characterised by the shape
    • B29C2949/0768Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
    • B29C2949/077Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the neck
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/076Preforms or parisons characterised by their configuration characterised by the shape
    • B29C2949/0768Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
    • B29C2949/077Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the neck
    • B29C2949/0772Closure retaining means
    • B29C2949/0773Threads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/079Auxiliary parts or inserts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/079Auxiliary parts or inserts
    • B29C2949/08Preforms made of several individual parts, e.g. by welding or gluing parts together
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/079Auxiliary parts or inserts
    • B29C2949/08Preforms made of several individual parts, e.g. by welding or gluing parts together
    • B29C2949/0801Finish neck ring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/06Injection blow-moulding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Ceramic Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

(57)【要約】 本発明は、プレフォーム、プレフォーム形成方法及びプレフォームから形成される容器に関する。プレフォームは、開放端部(16)及び閉鎖端部(18)を有する管状本体部(12)を備える。開放端部(16)に近い位置では、フランジ(20)が管状本体部(12)から外方向に延伸する。また、閉鎖体を係合する閉鎖体保持要素(14)が設けられる。閉鎖体保持要素(14)は管状本体部(12)と別体に形成され、管状本体部(12)への取付手段を有する。閉鎖体保持要素(14)は、取付手段によってフランジ(20)に隣接する管状本体部(12)に取り付けられる。 (57) [Summary] The present invention relates to a preform, a method for forming the preform, and a container formed from the preform. The preform comprises a tubular body (12) having an open end (16) and a closed end (18). At a position near the open end (16), the flange (20) extends outwardly from the tubular body (12). Also, a closure holding element (14) for engaging the closure is provided. The closure retaining element (14) is formed separately from the tubular body (12) and has means for attachment to the tubular body (12). The closure retaining element (14) is attached to the tubular body (12) adjacent the flange (20) by attachment means.

Description

【発明の詳細な説明】 ブロー成形品用プレフォーム及び閉鎖体 発明の背景 この発明は、プレフォーム及び容器、特に、仕上成形部(finish moldings) のない形状及び構造を有するプレフォームを含む単純なプレフォームアセンブリ に関する。 一般に、プレフォームは、ねじ部及びフランジ等が成形された仕上成形部(fi nish)を含む外面を有する。シュトラスハイマ(Strassheimer)所有の米国特許 第4950514号明細書はこのようなプレフォームを開示する。このプレフォ ームは、おねじ及びフランジを有する外壁面を備える。従って、前記米国特許に 開示されたプレフォームは、個別の首部形成型要素(首部成形用割型部という) を必要とする一般的な仕上成形部を含む。首部成形用割型部を用いる成形操作は 首部成形用割型部のない成形操作より大きなプラテン間隔を要するので、首部成 形用割型部がなければ、更に低い充填圧力でプレフォームを成形でき、同じ型プ ラテン内でより多くの型のキャビティ(mold impressions)を形成できるはずで ある。 従って、低い充填圧力でプレフォームを形成できかつ同じプラテンで多数のプ レフォームを成形できるように、単純な本体構造を有する(即ち、個別の首部形 成型要素を要する仕上成形部のない)プレフォームが必要とされている。 発明の概要 この発明の主目的は、別体で形成した首部仕上成形部を組み立てて首部仕上成 形部を完成する局部的な首部仕上成形部を有する本体部を備える単純なプレフォ ームを提供することにある。 この発明の他の目的は、本体部がフランジのみを備え、別途成形した首部仕上 成形部によって局部的な首部仕上成形部を形成し、プレフォームと共に使用され かつ容器に閉鎖体(closure)を保持する閉鎖体保持装置を首部仕上成形部によ って形成する単純なプレフォームを提供することにある。 この発明の更に他の目的は、2つの別個の要素からプレフォームを形成し、一 の要素はプレフォームの本体部となり、他の要素は閉鎖体係合面を有する仕上成 形部となるプレフォームの形成方法を提供することにある。 また、この発明の更に他の目的は、別途形成されて容器に取り付けられた閉鎖 体係合要素と係合する閉鎖体を備えかつ前記プレフォームから形成される容器を 提供することにある。 本発明の目的及び利点は、開放端部及び閉鎖端部を有する管状本体部を備えた 本発明によるプレフォームによって達成される。好ましくは、フランジが開放端 部に近い位置で本体部から外側に延伸する。また、閉鎖体を係合する閉鎖体保持 要素が設けられる。閉鎖体保持要素は管状本体部と別体に形成され、管状本体部 への取付手段を備える。閉鎖体保持要素は、開放端部に隣接、好ましくはフラン ジに隣接する管状本体部へ取付手段によって取り付けられる。 本発明によるプレフォームの形成方法は、開放端部及び閉鎖端部を有するプレ フォーム本体部を形成するプレフォーム本体部形成工程と、プレフォーム本体部 への取付手段を有する閉鎖体係合要素を本体部と別体に形成する工程と、係合要 素をプレフォーム本体部へ取付手段によって取り付ける取付工程とを含む。本発 明による容器は、支持用の底部と、底部に連続する本体部と、本体部に連続する 肩部及び肩部に連続する開放首部とを含むキャビティ形成部を備える。好ましく は、閉鎖体及び閉鎖体保持要素と同様に首部から外方向に延伸するフランジが設 けられる。保持要素は、閉鎖体と係合(螺合)するねじ部を有してもよい。保持 要素は、キャビティ形成部及び閉鎖体と別体に形成される。保持要素は首部に配 置され、開放首部に隣接、好ましくはフランジに隣接する。 本発明の詳細は、以下の説明及び要素に参照符号を付した図面より明らかとな ろう。 図面の簡単な説明 図1は、第一の要素及び第二の要素の両方を含む本発明によるプレフォームの 正面図である。 図2は、本発明のプレフォームの第一の要素の正面図である。 図3は、本発明のプレフォームの第二の要素の平面図である。 図3Aは、図3の3A−3A線に沿う第二の要素の断面図である。 図4は、図2に示す第一の要素及び図3に示す第二の要素により形成した容器 の部分断面を含む正面図である。 図5は、本発明による型キャビティ、型コア及びプレフォーム保持管の概略図 である。 図6は、本発明のプレフォームの仕上成形部要素を成形する他の方法の実施形 態である。 図6Aは、図6の方法による仕上成形部要素の6Aで示す部分の拡大断面図で ある。 図6Bは、図6に示す自由端を接合して閉じた形態の図6に示す仕上成形部要 素の拡大図である。 発明の好適な実施の形態の詳細な説明 以下、図面について詳細に説明する。図1は本発明によるプレフォームの正面 図であり、プレフォームの全体を符号10で示す。プレフォーム10は、本体1 2及び仕上成形部14の2つの要素を含む。図1に示すように、仕上成形部14 は本体12と係合する。 次に、図2に示すように、プレフォーム10の本体12は、好ましくは開放端 部16及び閉鎖端部18を有する管状である。図4に示すような容器のプレフォ ーム10を形成するため、本体12はブロー型(図示せず)に嵌合するように設 計される。従って、本体部12は、閉鎖端部18まで円筒状であることが好まし い。本体12の開放端部16の近くには、本体12の周囲にフランジ20が形成 される。好ましくは、フランジ20は本体12の最高縁(top most edge)に配 置され、閉鎖体(closure)が当接したときに仕上成形部14と係合してその位 置で閉鎖体を固定し、最高面(top-most surface)22を含む。図示のように、 本体12は閉鎖体と係合するねじ部又は他の手段を有しない。従って、成形すべ きねじ部が存在せず、首部成形型要素(首部成形用割型部という)が不要である ため、射出成形その他により好適に本体12を形成できる。 次に、図3及び図3Aは、それぞれ仕上成形部14の平面図及び断面図である 。好ましくは、仕上成形部14は中心に孔24を有する環状に形成され、プレフ ォ ーム10の本体12に嵌合し取り付けられる。嵌合は、圧力ばめ(pressure fit )又は締まりばめ(interference fit)でもよい。仕上成形部14は孔24を包 囲する周壁26を備える。周壁26は仕上成形部14の周囲を形成し、必要に応 じて閉鎖体の周囲に延伸しかつ閉鎖体と係合するおねじ部又はカム30を外面3 2に備えている。開口部(孔)24は、仕上成形部14が押込又は他の要領で本 体12に装着できる直径を有する。好ましくは、図3に示すように、壁26の上 面34に形成された複数の鋸歯部(serrations)又は他の歯(detent)36は、 図2に示すフランジ20の下壁38の鋸歯部37と係合し、係合噛み合い面(ma ting and interlocking surface)を形成する。従って、保持器14は、適切に 配置されると、フランジ20と隣接しかつ当接し、上面34の鋸歯部36がフラ ンジ20の下壁38の鋸歯部37と係合する。上面34の鋸歯部と下壁28の鋸 歯部との係合により、本体部12に対する仕上成形部14の回転を防止する。公 知のように、仕上成形部を所定の位置に固定する他の手段も使用できる。 図4に示すように、プレフォーム10を容器42にブロー成形しかつ容器42 が膨れた後に、仕上成形部14は使用され、閉鎖体(closure)40により所定 の位置に固定れる。一般に、閉鎖体40はキャップ状であり、上壁44と、上壁 44から延伸しかつ閉鎖体40の周囲を形成する周壁46とを有する。周壁46 の内面48には、仕上成形部14の外ねじ部30と係合(螺合)する内ねじ部5 0が形成される。周壁46と同方向に上壁44から延伸しかつ周壁46から内側 に離間する内側リング52を周壁46と同心に設けてもよい。周壁46と内側リ ング52との間には矢印で示す間隙54が形成され、間隙54の間隔は、プレフ ォーム10のフランジ20の厚みを嵌合しかつキャップ44がフランジの上面2 2と密封係合(sealing engagement)するのに十分な大きさの幅で形成される。 従って、閉鎖体40を仕上成形部14上に装着して係合(螺合)した後、ねじ部 30とねじ部50とを相対的に回転すると、閉鎖体40はフランジ20の上面2 2に対し下方向に押圧されるので、ねじ部30とねじ部50との係合(螺合)に より仕上成形部14はフランジ20の鋸歯部37に対し上方向へ引き寄せられる 。ねじ部30とねじ部50との結合によって、仕上成形部14はフランジ20に 対し堅固に保持される。フランジ20の上面22への閉鎖体の圧力に基づいて密 封 状態(シール)が形成され、プレフォーム10により形成した容器からの流体の 漏出を防止できる。 プレフォーム10を形成する場合、本体部12は、例えばポリエチレンテレフ タレート(PET)等の樹脂材料から射出成形又は他の方法により成形される。 前記のように、本体部12はフランジを除き仕上成形部が全く存在せず、閉鎖体 を保持するおねじ部等が全く成形されない。従って、成形の間、個別の型要素又 は首部成形用割型部の使用を省略でき、これにより、前記のように、より低い成 形圧力を使用でき、同じプラテン内でより多くの型のキャビティを設けることが できる。 更に、仕上成形部14は、好ましくは本体12の場合と同様の成形操作又は他 の圧力成形工程により本体部12とは別体に形成される。仕上成形部14は本体 12と同じ材料から形成してもよいが、他の有利な材料から形成してもよい。従 って、単に閉鎖体を所定の位置に保持する機能に加えて、密封状態を発生するた め、圧縮可能な弾性材料、例えばポリウレタン又はゴム等のエラストマーを使用 してもよい。本体12に仕上成形部14を取り付ける大きさを有する孔24が仕 上成形部14に成形される。従って、仕上成形部14はフランジ20に当接して 本体12へ嵌合される。フランジ20の下壁38の歯又は鋸歯部37は仕上成形 部14の上面34の歯又は鋸歯部36と整列し、閉鎖体の取付時等に作用する捩 れ力によって仕上成形部14が本体12に対し回転するのを防止する。歯又は鋸 歯部は、仕上成形部14及び本体12のいずれかの他の境界面、例えば図4の側 壁55に交互に配置してもよい。成形した本体12上で仕上成形部14をフラン ジ20に当接させて配置し、プレフォーム10が完成する。 容器42の形成の際に、プレフォーム10をブロー型等の型内に配置し、成形 して図4に示す容器に仕上げる。しかしながら、前記のように、別体に形成され たプレフォーム10の個別部品である仕上成形部14はプレフォーム10に沿う 下方への軸方向運動が可能であるが、軸方向運動は最小にすべきである。そこで 、フランジ22の下のプレフォーム本体12を膨張させると、仕上成形部14は 容器42上で殆ど軸運動しない。仕上成形部14の固定が必要な場合、例えば図 4に示すように、容器42の成形工程で形成されるビード56等の保持手段を追 加 することができる。従来通り、容器42の好ましい形状に対応するキャビティを 有する型内でプレフォーム10を膨張させて容器42を形成する。膨張の前に、 プレフォーム10を装着する必要がある。即ち、仕上成形部14を本体12に配 置してフランジ22に接合する必要がある。以下説明するように、このアセンブ リは有利に作用する。 公知の通り、図5に示すように、プレフォーム10を形成した型からプレフォ ーム10を除去する場合、一般にプレート保持管60を用い、例えば米国特許第 5421717号明細書及び同様の公知のシステムに開示されるように、保持管 60の中ヘプレフォームが押し出され、コアから除去される。図5に示すように 、管60が射出型キャビティ形成部62と共に使用するコア61と整列する前に 、仕上成形部14は受け管(保持管)60の開放端部の適当な凹部59内に配置 される。従って、ストリッピング工程(コアからの除去工程)の間、図1に示す ように、フランジ22が仕上成形部14に当接するまで本体12が管60内へ進 み、プレフォーム10を管60から除去したときにアセンブリが完了してブロー 型に移動することができる。前記のように、容器42の閉鎖体40によって密封 状態が形成されるが、必要に応じて仕上成形部14を弾性材料により形成して密 封性を高めてもよい。 前記のように、仕上成形部14は外面にねじ部を有するリングである。仕上成 形部14を前記の形状に加圧成形してもよいが、この目的の成形型は経済的に操 作できるように多数個取りの多数の型キャビティを有する必要がある。ねじ部形 成要素は、型内に大量のスペースをとる操作手段を必要とするため、多重配列( multiple array)では、このような型は高価である。更に経済性を増進するため 、図6及び図6Aに示すように、リング(即ち仕上成形部14)を開放状又はス プリット状に成形してもよい。従って、ねじ部30の対応する部分を保持する凸 面を有する2つの半円部分が成形される。使用に際し、プレフォーム10の本体 12に装着する前に、2つの半円部分は図3に示すようなリング(即ち仕上成形 部14)に閉鎖される。図6Aに拡大して示すように、リングを容易に閉鎖する ため、ヒンジ59を設けてもよい。半円部分が接合する際に沿う表面63a及び 表面63bは、図6Bに点線で示すようにリング軸と平行でもよく、大きな突 き合わせ部分を設けて自己整列によりリングの密封性を改善するため、図6Bに 実線で示すようにリング軸と角度をなしてもよい。接合型の半円部分を使用する 型は、ねじ部形成部が個別に移動する可動型である必要がない点で、リングを形 成する型に比べて、極めて単純であることが理解できよう。また、この形状は、 射出成形より経済的な方法、例えば圧縮成形及び熱成形等に適する。勿論、別個 に成形した2つの半円部分をその後リング形状に組み立ててもよい。 この発明の主な利点は、最小数の首部仕上成形部を有する本体部を備える単純 なプレフォームが得られることである。この発明の他の利点は、本体はフランジ のみを備え、容器に閉鎖体を保持するため別体に成形された閉鎖体保持装置をプ レフォームと共に使用する単純なプレフォームが得られることである。この発明 の更に他の利点は、2つの別個の要素からプレフォームを形成し、一方の要素は プレフォームの本体部となり、他方の要素は閉鎖体結合面となるプレフォームの 形成方法が得られることである。また、この発明の更に他の利点は、容器に取り 付ける別体に形成した閉鎖体係合要素と係合できるよう設計された閉鎖体を備え た前記のプレフォームから形成される容器が得られることである。前記の全ての 利点は、ここで説明した製造方法により、現在用いられる使用方法よりも迅速に 得られる。 本発明は、ここで説明及び図示した例に制限されず、これらの例は単に発明の 最適な実施例に過ぎず、形状、サイズ、部品の配列及び操作の詳細を変更する余 地がある点を理解されたい。むしろ、本発明は、請求の範囲により定まる本発明 の精神及び範囲内にあるこのような全ての変更を包含する。DETAILED DESCRIPTION OF THE INVENTION Background for blow-molded article preform and closure INVENTION The present invention, preforms and containers, in particular, simple including a preform having a free shape and structure of finish forming portion (a Finish moldings) For preform assembly. Generally, the preform has an outer surface that includes a finish formed with threads and flanges or the like. U.S. Pat. No. 4,950,514 to Strassheimer discloses such a preform. The preform includes an outer wall having external threads and a flange. Thus, the preforms disclosed in the aforementioned U.S. patents include a general finish forming section that requires a separate neck forming mold element (referred to as a neck forming split). Since the molding operation using the neck molding split part requires a larger platen interval than the molding operation without the neck molding split part, without the neck molding split part, the preform can be molded at a lower filling pressure, It should be possible to form more mold impressions in the same mold platen. Thus, a preform having a simple body structure (i.e., without a finish forming section requiring separate neck forming elements) so that the preform can be formed with low filling pressure and multiple preforms can be formed with the same platen. Is needed. SUMMARY OF THE INVENTION It is a primary object of the present invention to provide a simple preform comprising a body having a local neck finish forming section to assemble a separately formed neck finish forming section to complete the neck finish forming section. It is in. Another object of the present invention is to provide a local neck finish molding with a body portion having only a flange and a separately molded neck finish molding for use with a preform and holding a closure in a container. The object of the present invention is to provide a simple preform in which a closing body holding device is formed by a neck finish forming part. It is yet another object of the present invention to form a preform from two separate elements, one element being the body of the preform and the other being a finish forming part having a closure engaging surface. It is an object of the present invention to provide a forming method. It is still another object of the present invention to provide a container formed from the preform, comprising a closing body which is separately formed and engages with a closing body engaging element attached to the container. The objects and advantages of the invention are achieved by a preform according to the invention comprising a tubular body having an open end and a closed end. Preferably, the flange extends outwardly from the body at a location near the open end. There is also provided a closure retaining element for engaging the closure. The closure retaining element is formed separately from the tubular body and includes means for attachment to the tubular body. The closure retaining element is attached by attachment means to the tubular body adjacent the open end, preferably adjacent the flange. A method for forming a preform according to the present invention includes a preform body forming step of forming a preform body having an open end and a closed end, and a closing body engaging element having a means for attaching to the preform body. The method includes a step of forming the engaging element separately from the main body, and a step of attaching the engaging element to the preform main body by attaching means. The container according to the present invention includes a cavity forming portion including a supporting bottom, a main body continuous with the bottom, a shoulder continuous with the main body, and an open neck continuous with the shoulder. Preferably, a flange is provided which extends outwardly from the neck as well as the closure and closure retaining element. The retaining element may have a thread that engages with the closure. The retaining element is formed separately from the cavity forming part and the closure. The retaining element is located at the neck and is adjacent to the open neck, preferably adjacent to the flange. The details of the invention will become apparent from the following description and drawings, in which the elements are referenced. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view of a preform according to the present invention including both a first element and a second element. FIG. 2 is a front view of the first element of the preform of the present invention. FIG. 3 is a plan view of the second element of the preform of the present invention. FIG. 3A is a cross-sectional view of the second element taken along line 3A-3A of FIG. FIG. 4 is a front view including a partial cross section of the container formed by the first element shown in FIG. 2 and the second element shown in FIG. FIG. 5 is a schematic view of a mold cavity, a mold core, and a preform holding tube according to the present invention. FIG. 6 is an embodiment of another method for forming a preform finish forming element of the present invention. FIG. 6A is an enlarged sectional view of a portion indicated by 6A of the finish-formed part element according to the method of FIG. FIG. 6B is an enlarged view of the finish forming part element shown in FIG. 6 in a form in which the free ends shown in FIG. 6 are joined and closed. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS OF THE INVENTION Hereinafter, the drawings will be described in detail. FIG. 1 is a front view of a preform according to the present invention. The preform 10 includes two elements, a main body 12 and a finish forming part 14. As shown in FIG. 1, the finish molding 14 engages with the main body 12. Next, as shown in FIG. 2, the body 12 of the preform 10 is preferably tubular with an open end 16 and a closed end 18. The body 12 is designed to fit into a blow mold (not shown) to form a container preform 10 as shown in FIG. Accordingly, the body 12 is preferably cylindrical up to the closed end 18. Near the open end 16 of the body 12, a flange 20 is formed around the body 12. Preferably, the flange 20 is located at the top most edge of the body 12 and engages the finish forming section 14 when the closure abuts to secure the closure in that position. A top-most surface 22. As shown, the body 12 has no threads or other means for engaging the closure. Accordingly, since there is no screw portion to be formed, and a neck forming die element (referred to as a neck forming split mold portion) is unnecessary, the main body 12 can be suitably formed by injection molding or the like. Next, FIG. 3 and FIG. 3A are a plan view and a cross-sectional view of the finish forming section 14, respectively. Preferably, the finish forming part 14 is formed in an annular shape having a hole 24 at the center, and is fitted and attached to the main body 12 of the preform 10. The fit may be a pressure fit or an interference fit. The finish forming part 14 has a peripheral wall 26 surrounding the hole 24. The peripheral wall 26 forms a perimeter of the finish forming portion 14 and includes an external thread or cam 30 on the outer surface 32 that extends around the closure as needed and engages the closure. The opening (hole) 24 has a diameter such that the finish forming part 14 can be attached to the main body 12 by pressing or other means. Preferably, as shown in FIG. 3, a plurality of serrations or other detents 36 formed on the upper surface 34 of the wall 26 are provided on the lower wall 38 of the flange 20 shown in FIG. And form a mating and interlocking surface. Thus, when properly positioned, retainer 14 abuts and abuts flange 20, and serrations 36 on upper surface 34 engage serrations 37 on lower wall 38 of flange 20. The engagement between the sawtooth portion of the upper surface 34 and the sawtooth portion of the lower wall 28 prevents rotation of the finish forming portion 14 with respect to the main body portion 12. As is known, other means of securing the finish forming portion in place may be used. As shown in FIG. 4, after the preform 10 has been blow molded into a container 42 and the container 42 has expanded, the finish forming portion 14 is used and secured in place by a closure 40. Generally, the closure 40 is cap-shaped and has a top wall 44 and a peripheral wall 46 extending from the top wall 44 and forming a perimeter of the closure 40. An inner screw portion 50 is formed on the inner surface 48 of the peripheral wall 46 so as to engage (screw) with the outer screw portion 30 of the finish forming portion 14. An inner ring 52 extending from the upper wall 44 in the same direction as the peripheral wall 46 and spaced inward from the peripheral wall 46 may be provided concentrically with the peripheral wall 46. A gap 54 is formed between the peripheral wall 46 and the inner ring 52 as indicated by the arrow, the gap 54 interfitting the thickness of the flange 20 of the preform 10 and the cap 44 sealingly engaging the upper surface 22 of the flange. It is formed with a width large enough to engage in sealing engagement. Therefore, when the screw 30 and the screw 50 are relatively rotated after the closure 40 is mounted on the finish forming portion 14 and engaged (screwed), the closure 40 is attached to the upper surface 22 of the flange 20. On the other hand, since the pressed portion is pressed downward, the finished formed portion 14 is pulled upward by the engagement (screw engagement) of the screw portion 30 and the screw portion 50 with respect to the saw tooth portion 37 of the flange 20. By the connection of the screw portion 30 and the screw portion 50, the finish forming portion 14 is firmly held on the flange 20. A sealed state (seal) is formed based on the pressure of the closing body on the upper surface 22 of the flange 20, and leakage of the fluid from the container formed by the preform 10 can be prevented. When the preform 10 is formed, the main body 12 is formed from a resin material such as polyethylene terephthalate (PET) by injection molding or another method. As described above, the body portion 12 has no finish formed portion except for the flange, and no external thread portion or the like holding the closed body is formed at all. Thus, during molding, the use of separate mold elements or neck mold halves can be omitted, which allows lower molding pressure to be used and more mold cavities within the same platen, as described above. Can be provided. Further, the finish forming part 14 is preferably formed separately from the main body part 12 by the same forming operation as that of the main body 12 or another pressure forming step. The finish forming portion 14 may be formed from the same material as the body 12, but may be formed from other advantageous materials. Thus, in addition to merely the function of holding the closure in place, a compressible elastic material, for example an elastomer such as polyurethane or rubber, may be used to create a seal. A hole 24 having a size for attaching the finish forming section 14 to the main body 12 is formed in the finish forming section 14. Therefore, the finish forming part 14 is fitted to the main body 12 by contacting the flange 20. The teeth or saw-tooth portions 37 on the lower wall 38 of the flange 20 are aligned with the teeth or saw-tooth portions 36 on the upper surface 34 of the finish forming portion 14, and the finish forming portion 14 is attached to the main body 12 by the torsional force that is applied when the closing body is attached. To prevent rotation. The teeth or saw-tooth portions may be alternately disposed on any other interface of the finish forming portion 14 and the body 12, for example, the sidewall 55 of FIG. On the formed main body 12, the finish forming portion 14 is arranged in contact with the flange 20, and the preform 10 is completed. When the container 42 is formed, the preform 10 is placed in a mold such as a blow mold and molded to finish the container shown in FIG. However, as described above, the finish forming part 14, which is an individual part of the separately formed preform 10, can move downward in the axial direction along the preform 10, but minimizes the axial movement. Should. Thus, when the preform body 12 below the flange 22 is expanded, the finish forming portion 14 hardly axially moves on the container 42. When the finish forming section 14 needs to be fixed, for example, as shown in FIG. 4, a holding means such as a bead 56 formed in a forming step of the container 42 can be added. As before, the preform 10 is expanded in a mold having a cavity corresponding to the preferred shape of the container 42 to form the container 42. Before inflation, the preform 10 must be installed. That is, it is necessary to arrange the finish forming part 14 on the main body 12 and join it to the flange 22. As explained below, this assembly works advantageously. As is known, as shown in FIG. 5, when removing the preform 10 from the mold in which the preform 10 was formed, a plate holding tube 60 is generally used, for example, as disclosed in US Pat. No. 5,421,717 and similar known systems. As disclosed, the preform is extruded into the holding tube 60 and removed from the core. As shown in FIG. 5, before the tube 60 is aligned with the core 61 used with the injection mold cavity forming portion 62, the finish forming portion 14 is placed in a suitable recess 59 in the open end of the receiving tube (holding tube) 60. Be placed. Therefore, during the stripping step (step of removing from the core), as shown in FIG. 1, the main body 12 advances into the pipe 60 until the flange 22 comes into contact with the finish forming section 14, and the preform 10 is removed from the pipe 60. When the assembly is completed, you can move to the blow mold. As described above, a sealed state is formed by the closing body 40 of the container 42. However, if necessary, the finish molded portion 14 may be formed of an elastic material to enhance the sealing property. As described above, the finish forming portion 14 is a ring having a threaded portion on the outer surface. The finish forming section 14 may be pressure-formed into the above shape, but the forming die for this purpose needs to have a large number of multi-cavities so that it can be operated economically. In a multiple array, such a mold is expensive, as the thread forming element requires a large amount of operating means in the mold. 6 and 6A, the ring (ie, finish forming portion 14) may be formed in an open shape or a split shape as shown in FIGS. 6 and 6A. Accordingly, two semi-circular portions having convex surfaces that hold the corresponding portions of the threaded portion 30 are formed. In use, prior to mounting on the body 12 of the preform 10, the two semi-circular portions are closed in a ring (i.e., a finish molding 14) as shown in FIG. As shown enlarged in FIG. 6A, a hinge 59 may be provided to easily close the ring. The surfaces 63a and 63b along which the semicircular portions join may be parallel to the ring axis, as shown by the dashed lines in FIG. 6B, to provide a large butted portion to improve the sealing of the ring by self-alignment. 6B, it may be at an angle to the ring axis as shown by the solid line. It can be seen that the mold using the semi-circular portion of the joining mold is much simpler than the mold forming the ring in that the thread forming section does not need to be a movable mold that moves individually. This shape is also suitable for more economical methods than injection molding, such as compression molding and thermoforming. Of course, two separately formed semicircular portions may then be assembled into a ring shape. The main advantage of the present invention is that a simple preform with a body having a minimum number of neck finishes is obtained. Another advantage of the present invention is that a simple preform is obtained in which the body has only a flange and a separately formed closure retainer is used with the preform to retain the closure in the container. Yet another advantage of the present invention is that a method of forming a preform is provided wherein the preform is formed from two separate elements, one element being the body of the preform and the other element being the closure interface. That is. Yet another advantage of the present invention is that a container formed from the above preform with a closure designed to engage a separately formed closure engagement element that attaches to the container is obtained. It is. All of the above advantages are obtained more quickly with the manufacturing method described here than with the currently used methods of use. The invention is not limited to the examples described and illustrated herein, but these examples are merely preferred embodiments of the invention, and there is room for modification of the shape, size, arrangement of parts, and details of operation. I want to be understood. Rather, the invention is to cover all such modifications as come within the spirit and scope of the invention as defined by the appended claims.

【手続補正書】特許法第184条の8第1項 【提出日】平成9年7月11日(1997.7.11) 【補正内容】 図4に示すような容器のプレフォーム10を形成するため、本体12はブロー型 (図示せず)に嵌合するように設計される。従って、本体部12は、閉鎖端部1 8まで円筒状であることが好ましい。本体12の開放端部16の近くには、本体 12の周囲にフランジ20が形成される。好ましくは、フランジ20は本体12 の最高縁(top most edge)に配置され、閉鎖体(closure)が当接したときに仕 上成形部14と係合してその位置で閉鎖体を固定し、最高面(top-most surface )22及び下壁38を含む。図示のように、本体12は閉鎖体と係合するねじ部 又は他の手段を有しない。従って、成形すべきねじ部が存在せず、首部成形型要 素(首部成形用割型部という)が不要であるため、射出成形その他により好適に 本体12を形成できる。 次に、図3及び図3Aは、それぞれ仕上成形部14の平面図及び断面図である 。好ましくは、仕上成形部14は中心に孔24を有する環状に形成され、プレフ ォーム10の本体12に嵌合し取り付けられる。嵌合は、圧力ばめ(pressure f it)又は締まりばめ(interference fit)でもよい。仕上成形部14は孔24を 包囲する周壁26を備える。周壁26は仕上成形部14の周囲を形成し、必要に 応じて閉鎖体の周囲に延伸しかつ閉鎖体と係合するおねじ部又はカム30を外面 32に備えている。開口部(孔)24は、仕上成形部14が押込又は他の要領で 本体12に装着できる直径を有する。好ましくは、図3に示すように、壁26の 上面34に形成された複数の鋸歯部(serrations)又は他の歯(detent)36は 、図2に示すフランジ20の下壁38の鋸歯部37と係合し、係合噛み合い面( mating and interlocking surface)を形成する。従って、保持器14は、適切 に配置されると、フランジ20と隣接しかつ当接し、上面34の鋸歯部36がフ ランジ20の下壁38の鋸歯部37と係合する。上面34の鋸歯部と下壁38の 鋸歯部との係合により、本体部12に対する仕上成形部14の回転を防止する。 公知のように、仕上成形部を所定の位置に固定する他の手段も使用できる。 図4に示すように、プレフォーム10を容器42にブロー成形しかつ容器42 が膨れた後に、仕上成形部14は使用され、閉鎖体(closure)40により所定 の位置に固定れる。一般に、閉鎖体40はキャップ状であり、上壁44と、上壁 44から延伸しかつ閉鎖体40の周囲を形成する周壁46とを有する。周壁46 の内面48には、仕上成形部14の外ねじ部30と係合(螺合)する内ねじ部5 0が形成される。周壁46と同方向に上壁44から延伸しかつ周壁46から内側 に離間する内側リング52を周壁46と同心に設けてもよい。周壁46と内側リ ング52との間には矢印で示す間隙54が形成され、間隙54の間隔は、プレフ ォーム10のフランジ20の厚みを嵌合しかつ閉鎖体40がフランジの上面22 と密封係合(sealing engagement)するのに十分な大きさの幅で形成される。従 って、閉鎖体40を仕上成形部14上に装着して係合(螺合)した後、ねじ部3 0とねじ部50とを相対的に回転すると、閉鎖体40はフランジ20の上面22 に対し下方向に押圧されるので、ねじ部30とねじ部50との係合(螺合)によ り仕上成形部14はフランジ20の鋸歯部37に対し上方向へ引き寄せられる。 ねじ部30とねじ部50との結合によって、仕上成形部14はフランジ20に対 し堅固に保持される。フランジ20の上面22への閉鎖体の圧力に基づいて密封 状態(シール)が形成され、プレフォーム10により形成した容器からの流体の 漏出を防止できる。 プレフォーム10を形成する場合、本体部12は、例えばポリエチレンテレフ タレート(PET)等の樹脂材料から射出成形又は他の方法により成形される。 前記のように、本体部12はフランジを除き仕上成形部が全く存在せず、閉鎖体 を保持するおねじ部等が全く成形されない。従って、成形の間、個別の型要素又 は首部成形用割型部の使用を省略でき、これにより、前記のように、より低い成 形圧力を使用でき、同じプラテン内でより多くの型のキャビティを設けることが できる。 更に、仕上成形部14は、好ましくは本体12の場合と同様の成形操作又は他 の圧力成形工程により本体部12とは別体に形成される。仕上成形部14は本体 12と同じ材料から形成してもよいが、他の有利な材料から形成してもよい。 前記のように、容器42の閉鎖体40によって密封状態が形成されるが、必要に 応じて仕上成形部14を弾性材料により形成して密封性を高めてもよい。 前記のように、仕上成形部14は外面にねじ部を有するリングである。仕上成 形部14を前記の形状に加圧成形してもよいが、この目的の成形型は経済的に操 作できるように多数個取りの多数の型キャビティを有する必要がある。ねじ部形 成要素は、型内に大量のスペースをとる操作手段を必要とするため、多重配列( multiple array)では、このような型は高価である。更に経済性を増進するため 、図6及び図6Aに示すように、リング(即ち仕上成形部14)を開放状又はス プリット状に成形してもよい。従って、ねじ部30の対応する部分を保持する凸 面を有する2つの半円部分が成形される。使用に際し、プレフォーム10の本体 12に装着する前に、2つの半円部分は図3に示すようなリング(即ち仕上成形 部14)に閉鎖される。図6Aに拡大して示すように、リングを容易に閉鎖する ため、ヒンジ69を設けてもよい。半円部分が接合する際に沿う表面63a及び 表面63bは、図6Bに点線で示すようにリング軸と平行でもよく、大きな突き 合わせ部分を設けて自己整列によりリングの密封性を改善するため、図6Bに実 線で示すようにリング軸と角度をなしてもよい。接合型の半円部分を使用する型 は、ねじ部形成部が個別に移動する可動型である必要がない点で、リングを形成 する型に比べて、極めて単純であることが理解できよう。また、この形状は、射 出成形より経済的な方法、例えば圧縮成形及び熱成形等に適する。勿論、別個に 成形した2つの半円部分をその後リング形状に組み立ててもよい。 この発明の主な利点は、最小数の首部仕上成形部を有する本体部を備える単純 なプレフォームが得られることである。この発明の他の利点は、本体はフランジ のみを備え、容器に閉鎖体を保持するため別体に成形された閉鎖体保持装置をプ レフォームと共に使用する単純なプレフォームが得られることである。[Procedure of Amendment] Article 184-8, Paragraph 1 of the Patent Act [Submission date] July 11, 1997 (July 11, 1997) [Correction contents] In order to form a container preform 10 as shown in FIG. (Not shown). Therefore, the main body 12 is closed end 1 It is preferably up to 8 cylindrical. Near the open end 16 of the body 12, the body A flange 20 is formed around the periphery of the rim 12. Preferably, the flange 20 is Is located at the top most edge of the Engage with the upper forming part 14 to fix the closure at that position, the top-most surface ) 22 and lower wall 38. As shown, the body 12 has threads for engaging the closure. Or have no other means. Therefore, there is no thread to be molded, Since it is unnecessary to use a base (split mold part for neck molding), it is more suitable for injection molding and others. The body 12 can be formed.   Next, FIG. 3 and FIG. 3A are a plan view and a cross-sectional view of the finish forming section 14, respectively. . Preferably, the finish forming portion 14 is formed in an annular shape having a hole 24 in the center, and It is fitted and attached to the main body 12 of the form 10. The fit is a pressure fit it) or an interference fit. The finish forming part 14 has a hole 24 A surrounding wall 26 is provided. The peripheral wall 26 forms the periphery of the finish forming part 14, and External threads or cams 30 extending around the closure and engaging the closure accordingly 32. The opening (hole) 24 is formed by the finish forming part 14 being pushed or otherwise. It has a diameter that can be attached to the main body 12. Preferably, as shown in FIG. The plurality of serrations or other detents 36 formed on the upper surface 34 2, and engages with the sawtooth portion 37 of the lower wall 38 of the flange 20 shown in FIG. mating and interlocking surface). Therefore, the retainer 14 The sawtooth portion 36 of the upper surface 34 is adjacent and abutting the flange 20 and It engages with the saw tooth 37 of the lower wall 38 of the flange 20. Of the sawtooth portion of the upper surface 34 and the lower wall 38 The engagement with the sawtooth portion prevents rotation of the finish forming portion 14 with respect to the main body portion 12. As is known, other means of securing the finish forming portion in place may be used.   As shown in FIG. 4, the preform 10 is blow molded into a container 42 and the container 42 After swelling, the finish forming part 14 is used, and a predetermined Is fixed at the position. Generally, the closure 40 is cap-shaped and includes an upper wall 44 and an upper wall. A peripheral wall 46 extending from 44 and forming a periphery of the closure 40. Peripheral wall 46 On the inner surface 48 of the inner thread portion 5, the inner thread portion 5 that engages (screws) with the outer thread portion 30 of the finish forming portion 14 0 is formed. It extends from the upper wall 44 in the same direction as the peripheral wall 46 and is inside the peripheral wall 46. May be provided concentrically with the peripheral wall 46. Peripheral wall 46 and inner rib A gap 54 shown by an arrow is formed between the gap 52 and the gap 52. The thickness of the flange 20 of the form 10 is fitted and the closure 40 is It is formed with a width large enough to make a sealing engagement with it. Obedience Then, after the closing body 40 is mounted on the finish forming part 14 and engaged (screwed), the screw part 3 When the screw 0 and the screw portion 50 are relatively rotated, the closing body 40 is moved to the upper surface 22 of the flange 20. Is pressed downward with respect to, so that the engagement (screw engagement) between the screw portion 30 and the screw portion 50 The finish forming portion 14 is drawn upward with respect to the saw tooth portion 37 of the flange 20. The connection between the threaded portion 30 and the threaded portion 50 causes the finished molded portion 14 to face the flange 20. It is firmly held. Sealed based on pressure of closure on top surface 22 of flange 20 A state (seal) is formed and the fluid from the container formed by the preform 10 is Leakage can be prevented.   When the preform 10 is formed, the main body 12 is made of, for example, polyethylene terephthalate. It is molded from a resin material such as tallate (PET) by injection molding or other methods. As described above, the body portion 12 has no finish formed portion except for the flange, and Is not formed at all. Therefore, during molding, individual mold elements or Can omit the use of a neck forming split, which, as described above, results in a lower component. Mold pressure can be used, providing more mold cavities in the same platen it can.   Further, the finish forming section 14 is preferably formed by the same forming operation as that of the main body 12 or other forming operation. Is formed separately from the main body portion 12 by the pressure forming step. Finishing part 14 is the main body 12, but may be formed from other advantageous materials. As described above, a closed state is formed by the closure 40 of the container 42, Accordingly, the finish molding portion 14 may be formed of an elastic material to enhance the sealing performance.   As described above, the finish forming portion 14 is a ring having a threaded portion on the outer surface. Finish The shaped part 14 may be pressure-formed into the above-mentioned shape, but the forming die for this purpose is economically operated. It is necessary to have a multi-cavity multiple mold cavity to be able to work. Screw type Components require a large amount of space in the mold, so multiple arrays ( In multiple arrays, such types are expensive. To further improve economics As shown in FIG. 6 and FIG. It may be formed in a split shape. Therefore, the convex portion that holds the corresponding portion of the screw portion 30 is provided. Two semi-circular sections with faces are formed. In use, the body of the preform 10 Prior to mounting on 12, the two semi-circular parts are ring (ie finish formed) as shown in FIG. Section 14) is closed. The ring is easily closed, as shown enlarged in FIG. 6A. Therefore, a hinge 69 may be provided. The surface 63a along which the semicircular portions join and The surface 63b may be parallel to the ring axis as shown by the dotted line in FIG. FIG. 6B shows an example in which a mating portion is provided to improve the sealing property of the ring by self-alignment. It may be at an angle to the ring axis as shown by the line. Mold that uses the semicircular part of the joint type Forms a ring in that the thread forming section does not need to be individually movable It can be seen that it is extremely simple compared to the type that performs. Also, this shape Suitable for methods more economical than extrusion molding, such as compression molding and thermoforming. Of course, separately The two formed semicircular portions may then be assembled into a ring shape.   A major advantage of the present invention is that it has a simple body with a minimum number of neck finishes. Is to obtain a good preform. Another advantage of the invention is that the body is flanged And a separately molded closure holder to hold the closure in the container. A simple preform for use with the reform is to be obtained.

───────────────────────────────────────────────────── フロントページの続き (81)指定国 EP(AT,BE,CH,DE, DK,ES,FI,FR,GB,GR,IE,IT,L U,MC,NL,PT,SE),OA(BF,BJ,CF ,CG,CI,CM,GA,GN,ML,MR,NE, SN,TD,TG),AP(KE,LS,MW,SD,S Z,UG),EA(AM,AZ,BY,KG,KZ,MD ,RU,TJ,TM),AL,AM,AT,AU,AZ ,BA,BB,BG,BR,BY,CA,CH,CN, CU,CZ,DE,DK,EE,ES,FI,GB,G E,HU,IL,IS,JP,KE,KG,KP,KR ,KZ,LC,LK,LR,LS,LT,LU,LV, MD,MG,MK,MN,MW,MX,NO,NZ,P L,PT,RO,RU,SD,SE,SG,SI,SK ,TJ,TM,TR,TT,UA,UG,UZ,VN────────────────────────────────────────────────── ─── Continuation of front page    (81) Designated countries EP (AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, L U, MC, NL, PT, SE), OA (BF, BJ, CF) , CG, CI, CM, GA, GN, ML, MR, NE, SN, TD, TG), AP (KE, LS, MW, SD, S Z, UG), EA (AM, AZ, BY, KG, KZ, MD , RU, TJ, TM), AL, AM, AT, AU, AZ , BA, BB, BG, BR, BY, CA, CH, CN, CU, CZ, DE, DK, EE, ES, FI, GB, G E, HU, IL, IS, JP, KE, KG, KP, KR , KZ, LC, LK, LR, LS, LT, LU, LV, MD, MG, MK, MN, MW, MX, NO, NZ, P L, PT, RO, RU, SD, SE, SG, SI, SK , TJ, TM, TR, TT, UA, UG, UZ, VN

Claims (1)

【特許請求の範囲】 1. 開放端部(16)及び閉鎖端部(18)を有する管状本体部(12)と 、 閉鎖体(40)を係合する閉鎖体保持手段(14)とを備え、 閉鎖体保持手段(14)は管状本体部(12)と別体に形成されると共に管状 本体部(12)への取付手段(24、26)を有し、閉鎖体保持手段(14)は 開放端部(16)に隣接する管状本体部(12)へ取付手段によって取り付けら れるプレフォームにおいて、 管状本体部は開放端部(16)に隣接するほぼ平坦な面を有し、 開放端部(16)に隣接する締まりばめによって閉鎖体保持手段(14)が管 状本体部(12)に保持されることを特徴とするプレフォーム。 2. 開放端部(16)に近い位置で管状本体部(12)から外方向に延伸す るフランジ(20)を備え、閉鎖体保持手段(14)は取付手段(24、26) によってフランジ(20)に隣接する管状本体部(12)へ取り付けられる請求 項1に記載のプレフォーム。 3. 管状本体部(12)に対する閉鎖体保持手段(14)の回転を防止する 回転防止手段(36、37)を備える請求項2に記載のプレフォーム。 4. 回転防止手段(36、37)は、フランジ(20)及び閉鎖体保持手段 (14)の各々に設けられた噛み合い面を備え、噛み合い面は互いに係合しかつ 相対的回転を防止する請求項3に記載のプレフォーム。 5. 取付手段(24、26)は管状本体部(12)が挿入される開口部(2 4)を含む閉鎖体保持手段(14)を備え、開口部(24)は管状本体部(12 )と閉鎖体保持手段(14)との間に締まりばめを形成するサイズである請求項 2に記載のプレフォーム。 6. 閉鎖体保持手段(14)は管状本体部(12)と別体に形成され、閉鎖 体保持手段(14)はフランジ(20)に当接する請求項2に記載のプレフォー ム。 7. 閉鎖体保持手段(14)は閉鎖体(40)を係合する係合手段(30) を含む外周面を有する請求項6に記載のプレフォーム。 8. 係合手段(30)は、閉鎖体(40)の内面のねじ部(50)を係合す るねじ部及びカムのいずれか1つを含む請求項7に記載のプレフォーム。 9. 閉鎖体保持手段(14)はフランジ(20)に当接する上面(34)を 有し、上面は円周状の縁部を有し、ねじ部はフランジから下方向へ延伸する請求 項7に記載のプレフォーム。 10. 閉鎖体保持手段(14)は密封状態形成手段を備える請求項2に記載 のプレフオーム。 11. 密封状態形成手段は弾性材料から形成された閉鎖体保持手段(14) である請求項10に記載のプレフォーム。 12. 閉鎖体保持手段(14)は2つの連結された半部分を備え、半部分は 開放形状及び閉鎖形状を有し、半部分は開放形状で成形され、閉鎖形状で閉鎖体 保持手段を形成する請求項2に記載のプレフォーム。 13. 半部分の各々は半円状かつ閉鎖体係合面を含み、半部分はヒンジで連 結される請求項12に記載のプレフォーム。 14. 開放端部(16)及び閉鎖端部(18)並びに開放端部(16)に隣 接するほぼ平坦な面を有するプレフォーム本体部(12)を形成するプレフォー ム本体部形成工程と、 プレフォーム本体部(12)への取付手段(24、26)を有する閉鎖体係合 手段(14)をプレフォーム本体部(12)と別体に形成する工程と、 閉鎖体係合手段(14)をプレフォーム本体部(12)へ取付手段(24、2 6)によって取り付ける取付工程と、 開放端部(16)に隣接する締まりばめによって閉鎖体係合手段(14)を管 状本体部に保持する工程とを含むことを特徴とするプレフォーム形成方法。 15. プレフォーム本体部に対する閉鎖体係合手段の回転を防止する回転防 止工程を含む請求項14に記載のプレフォーム形成方法。 16. 回転防止工程はプレフォーム本体部及び閉鎖体係合手段の噛み合い係 合面を備える請求項15に記載のプレフォーム形成方法。 17. プレフォーム本体部形成工程は本体部の開放端部の近くにフランジを 形成する工程を含む請求項14に記載のプレフォーム形成方法。 18. 取付工程は閉鎖体係合手段がフランジに当接するまで本体部へ係合手 段を圧力ばめする工程を含む請求項17に記載のプレフォーム形成方法。 19. 閉鎖体係合手段を別体に形成する工程は、閉鎖体係合手段を2つの半 部分として形成する工程を含む請求項14に記載のプレフォーム形成方法。 20. 閉鎖体係合手段を別体に形成する工程の間に、2つの半部分を一緒に 連結して形成する請求項19に記載のプレフォーム形成方法。 21. 2つの半部分を一緒に取り付けて閉鎖体係合手段を形成する工程を含 む請求項19に記載のプレフォーム形成方法。 22. 2つの半部分の各々は半円状かつ閉鎖体係合面を含む請求項19に記 載のプレフォーム形成方法。 23. 支持用の底部、底部に連続する本体、本体に連続する肩部、肩部に連 続する開放首部及び開放首部に隣接するほぼ平坦な面を含むキャビティ形成部と 、 閉鎖体と、 閉鎖体を係合する閉鎖体係合手段を含み、キャビティ形成部及び閉鎖体と別体 に形成される閉鎖体保持手段とを備え、 閉鎖体保持手段は開放首部に隣接する首部に配置され、開放首部に隣接する締 まりばめによって容器に保持されることを特徴とする容器。 24. 首部から外方向に延伸するフランジを備え、保持手段は首部に配置さ れかつフランジに当接する請求項23に記載の容器。 25. 閉鎖体は保持手段を係合する保持器係合手段を有する請求項24に記 載の容器。 26. 閉鎖体はフランジに対し保持手段を保持する保持手段を有する請求項 25に記載の容器。 27. 保持手段は保持器係合手段に対し同心に配置されたリングを備え、リ ングはフランジ上に圧入され、保持器係合手段は保持手段を引き寄せる請求項2 6に記載の容器。 28. 閉鎖体係合手段はおねじ部を有し、保持器係合手段はめねじ部を有し 、外ねじ部及び内ねじ部は閉鎖体を保持手段へ取り付ける係合ねじ部である請求 項25に記載の容器。 29. 保持手段は別体に形成され、係合手段は保持手段の開口部を備え、首 部は開口部に配置される請求項24に記載の容器。 30. フランジ及び保持手段はフランジに対し保持手段の回転を防止する噛 み合い面を有する請求項24に記載の容器。 31. 保持手段は密封状態形成手段を備える請求項24に記載の容器。 32. 密封状態形成手段は弾性材料から形成された保持手段を備える請求項 31に記載の容器。 33. 保持手段は2つの連結された半部分を備え、これらの半部分は開放形 状及び閉鎖形状を有し、半部分は開放形状で成形され、閉鎖形状で保持手段を形 成する請求項24に記載の容器。 34. 半部分の各々は半円状であり、閉鎖体係合手段は閉鎖体係合面を有す る半部分の各々を備え、半部分はヒンジで連結される請求項33に記載の容器。[Claims]   1. A tubular body (12) having an open end (16) and a closed end (18); ,   Closing body holding means (14) for engaging the closing body (40);   The closure holding means (14) is formed separately from the tubular body (12), and The device has attachment means (24, 26) to the main body (12), and the closure holding means (14) Attached to the tubular body (12) adjacent the open end (16) by attachment means; In the preform   The tubular body has a substantially flat surface adjacent the open end (16);   The closure retaining means (14) is closed by an interference fit adjacent the open end (16). A preform, which is held by the main body (12).   2. Extends outwardly from the tubular body (12) at a location near the open end (16) Closure means (14) and mounting means (24, 26). Attached to the tubular body (12) adjacent to the flange (20) by a Item 2. The preform according to Item 1.   3. Prevent rotation of the closure retaining means (14) relative to the tubular body (12). 3. The preform according to claim 2, comprising anti-rotation means (36, 37).   4. The rotation preventing means (36, 37) includes a flange (20) and a closing body holding means. (14) comprising an engagement surface provided on each of the engagement surfaces, wherein the engagement surfaces engage with each other; 4. The preform according to claim 3, which prevents relative rotation.   5. The attachment means (24, 26) is provided with an opening (2) into which the tubular body (12) is inserted. 4), and the opening (24) has a tubular body (12). ) And an interference fit between the closure retaining means (14). The preform according to 2.   6. The closure holding means (14) is formed separately from the tubular body (12), 3. The pre-force according to claim 2, wherein the body holding means (14) abuts the flange (20). M   7. The closing body holding means (14) is provided with engaging means (30) for engaging the closing body (40). The preform according to claim 6, which has an outer peripheral surface including:   8. The engagement means (30) engages the thread (50) on the inner surface of the closure (40). The preform according to claim 7, wherein the preform includes any one of a threaded portion and a cam.   9. The closure holding means (14) has a top surface (34) abutting the flange (20). Wherein the upper surface has a circumferential edge and the threaded portion extends downward from the flange. Item 7. A preform according to Item 7.   10. 3. The closure holding means (14) comprises a sealing means. Preform.   11. The means for forming a sealed state is a closure holding means (14) formed of an elastic material. The preform according to claim 10, which is:   12. The closure holding means (14) comprises two connected halves, It has an open shape and a closed shape, the half part is formed in an open shape and the closed body is closed 3. The preform according to claim 2, forming a holding means.   13. Each of the halves is semi-circular and includes a closure engaging surface, and the halves are hinged. 13. The preform according to claim 12, which is tied.   14. Open end (16) and closed end (18) and next to open end (16) Preform for forming a preform body (12) having a substantially flat surface in contact Main body forming step;   Closure engagement with attachment means (24, 26) to the preform body (12) Forming the means (14) separately from the preform body (12);   Attachment means (24, 2) for attaching the closing body engaging means (14) to the preform body (12). 6) a mounting step for mounting according to   Closing the closure engagement means (14) by an interference fit adjacent the open end (16) And a step of holding the preform on the main body.   15. Rotation prevention for preventing rotation of the closing body engaging means with respect to the preform body The method for forming a preform according to claim 14, comprising a stopping step.   16. The rotation preventing step is performed by engaging the preform body with the closing body engaging means. The method for forming a preform according to claim 15, comprising a mating surface.   17. The preform main body forming process involves forming a flange near the open end of the main body. The method for forming a preform according to claim 14, comprising a step of forming.   18. The mounting process is performed by engaging the main body with the closing body engaging means until the closing body engaging means contacts the flange. The method of claim 17 including the step of press-fitting the step.   19. The step of forming the closure body engaging means separately includes the step of dividing the closure body engaging means into two half-pieces. The preform forming method according to claim 14, comprising a step of forming as a part.   20. During the process of forming the closure body engaging means separately, the two halves are brought together 20. The preform forming method according to claim 19, wherein the preform is formed by connecting.   21. Attaching the two halves together to form a closure engagement means. The method of forming a preform according to claim 19.   22. 20. The method of claim 19, wherein each of the two halves includes a semi-circular and closed body engaging surface. On-board preform forming method.   23. Support bottom, body connected to bottom, shoulder connected to body, connected to shoulder A cavity forming portion including a continuous open neck and a substantially flat surface adjacent the open neck; ,   A closed body,   Including closing body engaging means for engaging the closing body, separate from the cavity forming portion and the closing body Closing body holding means formed in the   The closure retaining means is located on the neck adjacent to the open neck and includes a closure adjacent to the open neck. A container characterized by being held in the container by an interference fit.   24. A flange extending outwardly from the neck, the retaining means being located on the neck; 24. The container of claim 23, wherein the container abuts against the flange.   25. 25. The closure of claim 24, wherein the closure has a retainer engaging means for engaging the retaining means. On the container.   26. The closure has retaining means for retaining the retaining means against the flange. 26. The container according to 25.   27. The retaining means comprises a ring concentric with the retainer engaging means, and The retainer is press-fitted onto the flange and the retainer engaging means draws the retaining means. 7. The container according to 6.   28. The closure engaging means has a male thread and the retainer engaging means has a female thread. Wherein the outer thread and the inner thread are engagement threads for attaching the closure to the retaining means. Item 29. The container according to Item 25.   29. The retaining means is formed separately, the engaging means includes an opening of the retaining means, 25. The container of claim 24, wherein the portion is located at the opening.   30. The flange and the holding means are engaged with the flange to prevent rotation of the holding means. 25. The container of claim 24 having a mating surface.   31. 25. The container according to claim 24, wherein the holding means comprises a sealing state forming means.   32. The sealed state forming means comprises a holding means formed of an elastic material. The container according to 31.   33. The holding means comprises two connected halves, which halves are open Shape and a closed shape, the halves being formed in an open shape and forming the holding means in a closed shape. The container according to claim 24, wherein the container is formed.   34. Each of the halves is semicircular and the closure engaging means has a closure engagement surface 34. The container of claim 33, comprising each of the halves, the halves being hinged.
JP52524097A 1996-01-05 1996-12-23 Preforms and closures for blow molded products Pending JP2001503339A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US58352196A 1996-01-05 1996-01-05
US08/583,521 1996-01-05
PCT/US1996/020658 WO1997025192A1 (en) 1996-01-05 1996-12-23 Preform and closure for blow molded articles

Publications (1)

Publication Number Publication Date
JP2001503339A true JP2001503339A (en) 2001-03-13

Family

ID=24333444

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52524097A Pending JP2001503339A (en) 1996-01-05 1996-12-23 Preforms and closures for blow molded products

Country Status (6)

Country Link
US (2) US5884786A (en)
EP (1) EP0879124A1 (en)
JP (1) JP2001503339A (en)
AU (1) AU1350697A (en)
CA (1) CA2248818A1 (en)
WO (1) WO1997025192A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016107602A (en) * 2014-12-10 2016-06-20 大日本印刷株式会社 Manufacturing apparatus and manufacturing method of composite container, manufacturing apparatus and manufacturing method of composite preform, composite container and composite preform

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2263145A1 (en) * 1996-08-12 1998-02-19 Peter Charles Mccrossen Removable sealing closure with closure attachment means
US6264050B1 (en) * 1998-10-06 2001-07-24 Plastipak Packaging, Inc. Container with improved neck portion and method for making the same
HU230187B1 (en) * 2001-12-10 2015-09-28 Alcoa Deutschland Gmbh Verpackungswerke Container, particularly a bottle containing beverages
US20030192891A1 (en) * 2002-04-10 2003-10-16 Ziegler Scott W. Paper cup sip adaptor
US7156253B2 (en) * 2002-09-19 2007-01-02 Ziegler Scott W Single-piece paper cup sip adaptor
US6957744B2 (en) 2003-01-24 2005-10-25 Insta-Mix, Inc. Nipple with multiple pinholes for baby bottle assembly
US20040146673A1 (en) * 2003-01-24 2004-07-29 Larsen W. Bruce Container preform assembly and method of manufacture
US20040166263A1 (en) * 2003-02-26 2004-08-26 Nahill Thomas E. Container preform assembly and method of manufacture
US20040166264A1 (en) * 2003-02-26 2004-08-26 Nahill Thomas E. Preform assembly, container assembly and method of manufacture
US6811845B2 (en) * 2003-02-26 2004-11-02 Continental Pet Technologies, Inc. Container preform assembly and method of manufacture
US6977104B1 (en) * 2003-03-28 2005-12-20 Graham Packaging Pet Technologies Inc. Container preform assembly and method of manufacture
US7303796B2 (en) * 2003-07-03 2007-12-04 Graham Packaging Pet Technologies Inc. Preform assembly, container assembly and method of manufacture
PL207809B1 (en) * 2003-11-20 2011-02-28 Invento Społka Z Ograniczoną Odpowiedzialnością Blank mould for making plastic containers, particularly for storing foodstuffs
US20050142311A1 (en) * 2003-12-24 2005-06-30 Nahill Thomas E. Finish assembly for a plastic container or preform
US20050158495A1 (en) * 2003-12-24 2005-07-21 Nahill Thomas E. Lightweight container and method of manufacture
US20050236356A1 (en) * 2004-04-21 2005-10-27 Lonsway Michael J Plastic container and method of integrally securing a neck attachment thereto
US10398244B2 (en) 2005-06-14 2019-09-03 Shape Shifter Design, Inc. Container holder apparatus and system and method for attaching a holder and a lid to a container
WO2006138208A2 (en) 2005-06-14 2006-12-28 Scott Ziegler Lid and holder for attaching to a container
US8561834B2 (en) * 2005-06-14 2013-10-22 Scott Ziegler Container lid and holder assembly, system and method
US20070045215A1 (en) * 2005-08-26 2007-03-01 Insta-Mix, Inc. Subsidiary A (Dba Umix, Inc.) Beverage container vent mechanism including perforated elastic membrane and support plate
US20100276482A1 (en) * 2006-09-28 2010-11-04 Smart Light Tech. LLC Apparatus and method for managing energy consumption within an unoccupied room
NL2000568C2 (en) * 2007-04-02 2008-10-06 4Sight Innovation Bv Washer for being mounted on bottle neck of bottle, has set of couplers e.g. screw, that cooperates with counter-coupling unit of locking element for providing tightness to bottle, where washer is made of plastic
TW201212858A (en) * 2010-09-28 2012-04-01 Rich Cup Bio Chem Tech Co Ltd Cap assembly
US9221596B2 (en) * 2011-02-22 2015-12-29 Graham Packaging Company, L.P. Plastic aerosol container
US8678211B1 (en) * 2012-10-24 2014-03-25 Shin-Shuoh Lin Pressed double layer lip hydration bottle
WO2015103062A1 (en) * 2013-12-30 2015-07-09 Averill Walter J Bottle closure
BR102015023751B1 (en) * 2014-09-16 2020-11-03 Brevetti Angela S.R.L process for producing a container equipped with a closure system
US10220562B2 (en) 2016-08-12 2019-03-05 The Procter & Gamble Company Pressurized plural nested preform assembly and method of manufacture
US10407202B2 (en) 2016-08-12 2019-09-10 The Procter & Gamble Company Plural nested preform assembly and method of manufacture
US10889411B2 (en) * 2017-02-03 2021-01-12 Berry Plastics Corporation Container with lid and detachable lid collar
US20230130906A1 (en) * 2021-10-25 2023-04-27 Nanodropper, Inc. Universal thread clamp

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52103283A (en) * 1976-02-23 1977-08-30 Yoshino Kogyosho Co Ltd Polyethylene terephthalate resin bottle and method of forming same

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US68456A (en) * 1867-09-03 Improvement in closing bottles
US1069153A (en) * 1912-09-19 1913-08-05 Albert K Lovell Bottle-stopper.
FR698872A (en) * 1930-07-12 1931-02-06 Insert rings for hermetic sealing of vases and similar containers
BE635070A (en) * 1962-07-19
FR1417199A (en) * 1964-09-21 1965-11-12 Hermetic closure device
US3486654A (en) * 1968-12-02 1969-12-30 Herbert H Schellhas Container closure having threaded collar
US3603472A (en) * 1969-03-05 1971-09-07 Continental Can Co Transferable finish ring and container and closure for use therewith
US3894331A (en) * 1971-03-23 1975-07-15 Leer Koninklijke Emballage Method of mounting a bushing to a container closure
US3746199A (en) * 1971-06-14 1973-07-17 Anchor Hocking Corp Closure cap and sealed package
US3899096A (en) * 1972-03-07 1975-08-12 Illinois Tool Works Reformed plastic article and method of manufacture
US3787547A (en) * 1972-03-07 1974-01-22 Illinois Tool Works Method of manufacturing a reformed plastic article
US3858741A (en) * 1974-01-14 1975-01-07 Illinois Tool Works Composite plastic bottle and tamperproof closure therefor
DE2853958C2 (en) * 1977-12-15 1985-04-04 Yamato Iron Works Co., Ltd., Tokio/Tokyo Method of manufacturing a container closure
GB2137971A (en) * 1983-02-16 1984-10-17 Hunter Thomas Ltd Closing Containers
JPS6017693A (en) * 1983-07-08 1985-01-29 Hitachi Ltd Condenser
DE3376065D1 (en) * 1983-11-18 1988-04-28 Katashi Aoki Polyethyleneterephthalate bottle with a two-layered neck
US4576296A (en) * 1985-04-02 1986-03-18 Continental White Cap, Inc. Combination radial locking device and infestation seal for press-seal type transfer neck finish
US4607757A (en) * 1985-04-02 1986-08-26 Continental White Cap, Inc. Anti-spin interference fit of press-seal insert and method of assembly
DE3533036A1 (en) * 1985-09-17 1987-03-26 Deutsche Verpackungsmittel Method of mounting a holding ring on a transport container, and transport container
US4671421A (en) * 1986-03-06 1987-06-09 Owens-Illinois, Inc. Plastic container
US4844270A (en) * 1988-06-13 1989-07-04 Rampart Packaging Inc. Screw cap jar
GB2237269A (en) * 1989-10-19 1991-05-01 Metal Box Plc A fitting for a container having a neck
US5447766A (en) * 1990-09-28 1995-09-05 Nissei Asb Machine Co., Ltd. Plastic vessel preform and mold for forming the same
JPH07500552A (en) * 1991-07-23 1995-01-19 ラドレー バレリー ピーティワイ リミテッド Sealing device for heat-resistant plastic containers
US5174460A (en) * 1992-02-26 1992-12-29 Sunbeam Plastics Corporation Dual seal closure-adaptor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52103283A (en) * 1976-02-23 1977-08-30 Yoshino Kogyosho Co Ltd Polyethylene terephthalate resin bottle and method of forming same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016107602A (en) * 2014-12-10 2016-06-20 大日本印刷株式会社 Manufacturing apparatus and manufacturing method of composite container, manufacturing apparatus and manufacturing method of composite preform, composite container and composite preform

Also Published As

Publication number Publication date
US5884786A (en) 1999-03-23
US5833085A (en) 1998-11-10
EP0879124A1 (en) 1998-11-25
AU1350697A (en) 1997-08-01
CA2248818A1 (en) 1997-07-17
WO1997025192A1 (en) 1997-07-17
EP0879124A4 (en) 1998-12-16

Similar Documents

Publication Publication Date Title
JP2001503339A (en) Preforms and closures for blow molded products
US4299412A (en) Production of socket ends in thermoplastic pipes
CA2246469C (en) Clean air ducts and methods for the manufacturing thereof
US5064207A (en) Sealing ring for sealing a pipe joint
US4649068A (en) Preform for use in blow molding a container subjected to hot filling and closed by a rotatable closure, and method of an apparatus for making the same
US4226334A (en) Stopper
JPH10502881A (en) Clean air duct and method of manufacturing the same
US5911936A (en) Process for producing radiator support
JP2003534990A (en) Snap-on plastic neck for glass containers
KR19980702871A (en) Composite sealing member and its manufacturing method
EP0994034A3 (en) Plastic container having base with annular wall and method of making the same
CA2280992A1 (en) Overmolded air duct with outwardly extending main body lip
AU708063B2 (en) Improvements relating to containers
US20060070970A1 (en) Closure and package having child-resistant and non-child-resistant modes of operation
EP0627298B1 (en) Method and apparatus for forming retaining flange around container closure
EP1065149A2 (en) Moulded closure and method of manufacture
JPH08133322A (en) Bottle body
WO1997030904A1 (en) Closure for blow molded articles
WO2006041779A1 (en) Finish assembly, preform assembly, container assembly, and method of manufacture
JP2021187538A (en) Multiple container
US6077471A (en) Mold for forming a container having a continuous neck finish and method for using same
JP2601595Y2 (en) Bottle with handle
JPH0441971A (en) Air intake connector for internal combustion engine and manufacture thereof
JPH02196621A (en) Production of stretched hollow vessel fitted with handle
JPS6243769Y2 (en)